Finding the Fourth Proportional to 1,049,299,381.44, 1,447,510,134.66 and 625,614,233.40
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Solution
The fourth proportional to 1,049,299,381.44, 1,447,510,134.66 and 625,614,233.40 is: 863,035,811.56
Step by Step Solution
- Step 1: Write the proportion equation
1,049,299,381.44 : 1,447,510,134.66 = 625,614,233.40 : x - Step 2: Convert to fraction form
1,049,299,381.44/1,447,510,134.66 = 625,614,233.40/x - Step 3: Cross multiply
1,049,299,381.44x = 1,447,510,134.66 × 625,614,233.40 - Step 4: Simplify right side
1,049,299,381.44x = 905,582,943,234,046,720 - Step 5: Solve for x
x = 905,582,943,234,046,720/1,049,299,381.44 - Step 6: Final answer
x = 863,035,811.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.